/*-----------------------------------------------------------------------------
 * Copyright (c) <2013-2018>, <Huawei Technologies Co., Ltd>
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation and/
 * or other materials provided with the distribution.
 * 3. Neither the name of the copyright holder nor the names of its contributors
 * may be used to endorse or promote products derived from this software without
 * specific prior written permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 ------------------------------------------------------------------------------
 * Notice of Export Control Law
 ==============================================
 * Huawei LiteOS may be subject to applicable export control laws and regulations,
 * which might include those applicable to Huawei LiteOS of U.S. and the country in
 * which you are located.
 * Import, export and usage of Huawei LiteOS in any manner by you shall be in
 * compliance with such applicable export control laws and regulations.
 *---------------------------------------------------------------------------*/

#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
#include <errno.h>
#include "fstool_common.h"
#include "fstool_io.h"

#include "disk.h"
#include "fs/dirent_fs.h"
#include "inode/inode.h"

int FSTOOL_IO_Open(const char* path)
{
    FAR struct inode *inode_ptr = (struct inode *)NULL;
    FAR const char *relpath = (const char *)NULL;
    los_part *part = NULL;

    if (!path || *path == 0 || *path != '/')
    {
        FSTOOL_COMM_LOG_ERROR("FSTOOL_IO_Open path error\n");
        return -EINVAL;
    }

    inode_semtake();
    inode_ptr = inode_search((FAR const char **)&path, (FAR struct inode**)NULL, (FAR struct inode**)NULL, &relpath);
    inode_semgive();

    if (!inode_ptr)
    {
        FSTOOL_COMM_LOG_ERROR("FSTOOL_IO_Open inode_search error\n");
        return -ENODEV;
    }

    if (!inode_ptr || !inode_ptr->u.i_bops)
        return -ENODEV;

    if (inode_ptr->u.i_bops->open && inode_ptr->u.i_bops->open(inode_ptr) != 0)
        return -ENODEV;

    part = los_part_find(inode_ptr);
    if (part == NULL)
    {
        FSTOOL_COMM_LOG_ERROR("FSTOOL_IO_Open part find error\n");
        return -ENODEV;
    }

    if (part->part_name != NULL)
        return -EACCES;

    return part->part_id;
}

void FSTOOL_IO_Close(int fd)
{
    return ;
}

int FSTOOL_IO_Read(int pt, unsigned long long sector, u_int count, void *data)
{
    int ret = 0;

    los_part *part = get_part(pt);
    if (part == NULL || part->dev == NULL)
    {
        return FSCK_FSFATAL;
    }
    sector += part->sector_start;

    ret= los_part_read(pt, data, sector, count);
    if(ret < 0)
        FSTOOL_COMM_LOG_ERROR("fstool_io_read ret=%d, sector=%lld, sector_start=%lld\n", ret, sector, part->sector_start);

    return ret;
}

int FSTOOL_IO_Write(int pt, unsigned long long sector, u_int count, void *data)
{
    int ret = 0;

    los_part *part = get_part(pt);
    if (part == NULL || part->dev == NULL)
    {
        return FSCK_FSFATAL;
    }
    sector += part->sector_start;

    ret= los_part_write(pt, data, sector, count);
    if(ret < 0)
        FSTOOL_COMM_LOG_ERROR("fstool_io_write ret=%d, sector=%lld, sector_start=%lld\n", ret, sector, part->sector_start);

    return FSCK_FSOK;
}

